Release ledger
Canonical Atlas record
TS 24.279
Combining Circuit Switched (CS) and IP Multimedia Subsystem (IMS) services; Stage 3
Responsible WGC1
StatusUnder change control
Initial releaseRel-7
Selected releaseRel-7
Latest indexed version19.0.0
Series24
TypeTS
Release evolution
Compare evidence between releases
Use indexed version, Work Item and Change Request evidence to see what changed around this specification. This is an evidence trail, not a clause-by-clause normative diff.
Rel-7 snapshot
Work affecting this release
145 indexed Change Requests · 7 connected Work Items.
Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR 0019 — Provision and exchange of IMS status
CR 0019 rev.1 — Provision and exchange of IMS status
CR 0019 rev.2 — Provision and exchange of IMS status
CR 0020 — Merging of the Call procedures for both IMS-first and CS-first with UE capability version
CR 0020 rev.1 — Merging of the Call procedures for both IMS-first and CS-first with UE capability version
CR 0021 — Signalling flows involving the CSI application server
CR 0021 rev.1 — Signalling flows involving the CSI application server
CR 0021 rev.2 — Signalling flows involving the CSI application server
CR 0022 — CSI Termination session handling
CR 0022 rev.1 — CSI Termination session handling
CR 0023 — Correction of signalling flows
CR 0023 rev.1 — Correction of signalling flows
Version history
Indexed versions
Showing 36 of 36 indexed versions.
19.0.0Rel-19SA#1092025-10-14
18.0.0Rel-18SA#1032024-04-04
17.0.0Rel-17SA#95-e2022-04-01
16.0.0Rel-16SA#88-e2020-07-09
15.0.0Rel-15SA#802018-06-21
10.2.1Rel-10CT#762017-07-21
9.2.0Rel-9CT#762017-06-16
8.4.0Rel-8CT#762017-06-16
14.1.0Rel-14CT#762017-06-16
13.1.0Rel-13CT#762017-06-16
12.1.0Rel-12CT#762017-06-16
11.2.0Rel-11CT#762017-06-16
10.2.0Rel-10CT#762017-06-16
14.0.0Rel-14CT#752017-03-17
13.0.0Rel-13SA#702015-12-18
12.0.0Rel-12SA#652014-09-26
9.1.0Rel-9CT#632014-03-17
8.3.0Rel-8CT#632014-03-17
11.1.0Rel-11CT#632014-03-17
10.1.0Rel-10CT#632014-03-17
11.0.0Rel-11SA#572012-09-21
10.0.0Rel-10SA#512011-03-28
9.0.0Rel-9SA#462009-12-17
8.2.0Rel-8CT#462009-12-17
8.1.0Rel-8CT#422008-12-18
8.0.0Rel-8CT#382007-12-17
7.7.0Rel-7CT#382007-12-17
7.6.0Rel-7CT#372007-09-25
7.5.0Rel-7CT#362007-06-22
7.4.0Rel-7CT#352007-03-20
7.3.0Rel-7CT#342006-12-15
7.2.0Rel-7CT#332006-10-06
7.1.0Rel-7CT#322006-06-12
7.0.0Rel-7CT#312006-03-24
2.0.0Rel-7 · pre-approvalCT#312006-02-28
1.0.0Rel-7 · pre-approval-—
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TS 24.279
IMS
Rel-5historical linkProvisioning of IP-based multimedia services
Historical association · verification pendingCSICS
Rel-7historical linkCombinational Services
Historical association · verification pendingCSICS
Rel-7historical linkStage 3 for CSICS CN aspects
Historical association · verification pendingCSIterm
Rel-7historical linkDeleted - Study on Terminating Session handling
Historical association · verification pendingCSItermS
Rel-7officialCSI Terminating Session handling
Effective Acronym:
Rel-7historical linkDeleted - duplicated with UID 340015 -Stage 3 CSI Terminating Session handling
Historical association · verification pendingEffective Acronym:
Rel-7historical linkStage 3 of CStermS
Historical association · verification pendingIMSProtoc
Rel-7historical linkIMS Stage 3 IETF Protocol Alignment
Historical association · verification pendingIMSProtoc2
Rel-8historical linkIMS Stage 3 IETF Protocol Alignment - phase 2
Historical association · verification pendingTEI8
Rel-8parsed(Small) Technical Enhancements and Improvements for Rel-8
UUSIW
Rel-8historical linkCT3 part of Stage 3 MGCF UUSIW
Historical association · verification pendingUUSIW
Rel-8historical linkCT1 part of Stage 3 MGCF UUSIW
Historical association · verification pendingUUSIW
Rel-8historical linkInterworking between User-to-User Signalling (UUS) and SIP
Historical association · verification pendingPR,Princs_&_Reqs_(PR)
R99historical linkOAM Principles and High-level Requirements
Historical association · verification pendingKnowledge graph
Related standards
No graph edges indexed yet. The graph API is available at this JSON endpoint.